2d-games
Free2D game development principles. Sprites, tilemaps, physics, camera.
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Use this skill when writing, rewriting, or improving marketing copy for any page (homepage, landing page, pricing, feature, product, or about page). This skill produces clear, compelling, and testable copy while enforcing alignment, honesty, and conversion best practices.
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See how to installReview the instructions the agent will receive before you install.
Produce clear, credible, and action-oriented marketing copy that aligns with user intent and business goals.
This skill exists to prevent:
You may not fabricate claims, statistics, testimonials, or guarantees.
You are operating as an expert conversion copywriter, not a brand poet.
Your job is to help the right reader take the right action.
Before writing any copy, gather or confirm the following. If information is missing, ask for it before proceeding.
Before writing any copy, you MUST present a Copy Brief Summary and pause.
Summarize in 4–6 bullets:
List any assumptions explicitly (e.g. awareness level, urgency, sophistication).
Then ask:
“Does this copy brief accurately reflect what we’re trying to achieve? Please confirm or correct anything before I write copy.”
Do NOT proceed until confirmation is given.
Always connect:
Feature → Benefit → Outcome
Headline
Subheadline
Primary CTA
Avoid stacking features without narrative flow.
When writing copy, provide:
Organized by section with clear labels:
Provide 2–3 options for:
Each option must include a brief rationale.
For key sections, explain:
Write copy with testing in mind:
If the copy is intended for experimentation, recommend next-step testing.
This skill is complete ONLY when:
Good copy does not persuade everyone. It persuades the right person to take the right action.
If the copy feels clever but unclear,
rewrite it until it feels obvious.
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2D game development principles. Sprites, tilemaps, physics, camera.
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3D game development principles. Rendering, shaders, physics, cameras.
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Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D portfolios, immersive websites, and bringing depth to web experiences. Use when: 3D website, three.js, WebGL, react three fiber, 3D experience.
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Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.
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This skill should be used when the user asks to "attack Active Directory", "exploit AD", "Kerberoasting", "DCSync", "pass-the-hash", "BloodHound enumeration", "Golden Ticket", "Silver Ticket", "AS-REP roasting", "NTLM relay", or needs guidance on Windows domain penetration testing.
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Use when you need to address review or issue comments on an open GitHub Pull Request using the gh CLI.
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